SOLUTION: What should come in place of question mark in the following series-
1,3,9,21,81,?,729
Ans-
1. 243
2. 324
3. 686
4. 162
Algebra.Com
Question 877985: What should come in place of question mark in the following series-
1,3,9,21,81,?,729
Ans-
1. 243
2. 324
3. 686
4. 162
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Each successive term is multiplied by 3.
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